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Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: KNWCWAII4MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-221 1 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-05   
509-225 9 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-03-06   
509-316 4 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2016-04-22   
509-317 2 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2015-10-30   
509-337 3 Waitsburg WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2007-05-02   
509-367 6 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-12-04   
509-371 9 Richland WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-07-25   
509-380 A Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676      
509-380 0 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2007-05-02   
509-380 5 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-04-18   
509-396 3 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2009-03-23   
509-396 7 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-03-06   
509-396 9 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-06-16   
509-404 4 Dayton WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2024-09-19   
509-412 1 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2012-01-03   
509-420 4 Richland WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2007-05-02   
509-424 3 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2012-10-07   
509-426 2 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2010-05-09   
509-470 3 Wenatchee WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2018-08-19   
509-470 6 Wenatchee WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2007-05-29   
509-470 7 Wenatchee WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2008-02-10   
509-470 8 Wenatchee WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2010-05-09   
509-470 9 Wenatchee WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-27   
509-476 7 Oroville WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-28   
509-486 9 Tonasket WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2013-10-24   
509-491 1 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2012-05-15   
509-491 3 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2013-03-01   
509-497 1 Benton City WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2010-09-01   
509-504 7 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2020-09-06   
509-557 6 Omak WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2012-11-29   
509-567 A Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676      
509-567 7 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2016-12-09   
509-571 1 Yakima WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-04   
509-572 2 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2011-05-06   
509-578 1 Richland WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-03-10   
509-579 0 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2015-08-31   
509-579 4 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2017-11-05   
509-579 5 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2017-07-12   
509-619 A Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676      
509-619 0 Kennewick WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2007-05-02   
509-620 8 Coulee Dam WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2019-05-22   
509-644 A Loon Lake WA 792K CHARTER IP ENABLED SERVICES, LLC 676      
509-644 0 Loon Lake WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2017-10-08   
509-653 8 Naches WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2025-03-30   
509-673 9 Tieton WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2025-03-30   
509-678 3 Cowiche WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2025-03-30   
509-685 7 Colville WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2016-06-25   
509-713 7 Richland WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2011-06-02   
509-738 9 Kettle Falls WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2016-07-10   
509-792 1 Pasco WA 792K CHARTER IP ENABLED SERVICES, LLC 676   2014-02-27   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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